21.50x27.50x4 MERV 11 Heavy Duty/High Volume PleatGMXS21K27K4A $68.04 SKU: GMXS21K27K4A Back $68.04 Quantity -+ Add to Cart Details 21.50x27.50x4 MERV 11 Heavy Duty/High Volume Pleat DetailsBackDetails21.50x27.50x4 MERV 11 Heavy Duty/High Volume PleatSee MoreSee Less
